Improvement in runners for sleighs



H. SMITH.

Runners for Sleighs.

N0,]65,624, PatentqdJuly13J-875,

MPEIERS, FHOTO UTHOGRAFHER, WASHINGTON. D C,

UNITED STATES PATENT EEIc'E.

HUGH SMITH, OF GRAY, MAINE.

IMPROVEMENT IN RUNNERS FOR SLEIGHS.

Specification forming part of Letters Patent No. 165,624, dated July 13,1875; application filed April 22, 1875.

To all whom it may concern:

Be it known that I, HUGH SMITH, of Gray, county of Cumberla'ndand Stateof Maine, have invented Improvements in Shoes for, and in the Attachmentof Shoes to, Sleigh- Runners, of which the following is a specificationinafter appear.

' In the accompanying plate of drawings the present invention isillustrated, Figure 7 1. being a. view along the length of a.sleighrunner and 1ts shoe, and partially in eleva tion and inlongitudinal section 5 Figs. 2 and 3, vertical cross-sections,respectively, in lines mx'andyy. Y

In the drawings, A represents a sleighrunner; B, its shoe; and a,screw-bolts; and b screwnuts, by which the shoe is fastened to therunners. The bolts a pass through the thickness of both the runner andshoe, and otherwise are constructed and applied as ordinarily in themanufacture of sleighs. The runner-shoeB in its running-face Q isbroader than the face of the runner to which it is secured. The shoe B,in its width, projects equally beyond the sides of the'runner, and suchprojecting portions f are beveled or rounded off, as shown, toward theside faces g of the runner. By a widened running-face, U, to therunner-shoes B, obviously the runners in use are not so liable to embedor sink into the snow, and by the described rounding or beveliiig off ofthe shoes B, obviously they are the more perfectly adapted for use. Therunning-face (1 may be of the full width of the shoe, or, which ispreferable, narrowed as to its running-surface proper, this formpreventing the embedment or sinking of the runners by the portions 1) ofthe shoe beyond the running-surface proper l. The runner-shoe, in itsface or side, in contact with the runner, is grooved along its length,as shown in Figs. 1,2, and 3, to receive the runner by its width, andthus to overlap it upon each side by the wall or boundary m of each sideof the groove. Ob-

viously this overlap of the shoe at the sides of the runner preventslateral or cross strain upon the fastening-bolts a, and the same effect,obviously, will be secured by reversing the overlap of the twoparts-runner and shoe-as shown in Fig. 5, in which case either bolts maybe used as ordinarily, or a dlip, as shown in such figure. n, a block orwasher.

In the drawings, two blocks 01. are shown. These blocks n (see Fig. 2)set over and fit the convex or rounded upper face 0 of the runner, andabove the runner the blocks a have a flat face, p, for the seat of thescrewnut bf'to a screw-bolt, a, used to fasten the shoetothe runner, thebolt to passing through the block. The blocks n manifestly enable therunner to be finished from end to end of a rounded or convex form, andthus obviate the necessity of finishing the runner off with square seatsat points of its length to receive the screw-nuts b of screw-bolts a.The bottom 8 of groove t of the runner-shoe is formed with recesses 20along its length, between the bearings '22 of the runner upon the shoe,at which bearings 11 the bolts a pass through the runner and the shoe.These recesses it obviously savel expense and trouble in the finish ofthe shoe, as, without them, all roughness, as to the bottom face 8,would have to be removed, or otherwise the runner, in bolting the shoeto it, would be unduly strained. The runner-shoe is to be made ofcast'iron or of cast-steel, and, ifthe former,

.the running-face is to be chilled.

Having thus described my invention, what

